181 results about "Colourant" patented technology

The invention belongs to the field of digital ink jet, and discloses a preparation method of a colored nano resin particle dispersion and application of the colored nano resin particle dispersion in digital ink jet. By adopting a cosolvent method, the solubility of the pigment is improved by adding a cosolvent into a monomer, and the coating rate of the pigment is increased. Meanwhile, special monomers are not needed, common traditional emulsion polymerization monomers can be used, the manufacturing process is simple, neck clamping is not prone to occurring, and reaction control is easy. According to the invention, the pigment is coated by an emulsion polymerization technology to obtain the colored nano resin particle dispersion, the digital ink-jet ink is prepared from the colored nano resin particle dispersion, and the ink layer of the digital ink-jet ink has better water resistance, light resistance and migration resistance compared with the traditional dye ink, and has good adhesiveness.

The present application relates to the technical field of textile design, and particularly relates to a method for improving fabric image color distortion by superimposing and developing color of sanding, which comprises the following steps: (1) CMYK four-color yarn design; (2) jacquard CAD design; (3) weaving of grey fabric; (4) dyeing and finishing of the grey fabric; the dyeing and finishing of the grey fabric comprises sanding after light bleaching and fading treatment of the grey fabric. The present application adopts the design method of superimposing and developing color of color image fabric, the color developing mode of color mixing of jacquard CAD technology, and designs through the spinning form of colored weft yarn, jacquard CAD and dyeing and finishing, produces the effect of mutual color bleeding and color mixing of color materials of CMYK four-color yarn through fading treatment, and then carries out sanding treatment, so that the fine and dense fluff of the color yarn is superimposed with the effects of color transmission and improvement of complete covering, the color yarn is subjected to color transmission and superimposed color mixing again, the color is softer and more real by adopting the mode similar to the superimposition of four plates of CMYK color printing.

The utility model relates to an optical fiber on-line coloring system, comprising an optical fiber coating die holder, which is provided with an optical fiber coating die used for coating a coating on the surface of an optical fiber; a coloring mold is arranged on the coloring mold base, and the coloring mold is used for coloring the surface of the coated optical fiber; wherein the coloring mold is connected with a coloring feeding unit, the coloring feeding unit comprises a rotation driving device, a plurality of color tanks and a rotating disc, the rotation driving device drives the rotating disc to rotate by 360 degrees, the color tanks are arranged on the rotating disc, and the color tanks are connected with the coloring mold through pipelines so as to achieve feeding of different pigments to the coloring mold. According to the optical fiber on-line coloring system, the coloring mold and the coloring feeding unit are additionally arranged, the bare optical fiber needs to penetrate through the coating mold and the coloring mold at the same time, that is, the bare optical fiber can be directly colored after being coated, rotation switching can be conducted through the coloring feeding unit during production, the color changing time is saved, and the production efficiency is greatly improved.

The invention relates to the field of ceramic ink, and discloses a black pigment, ceramic ink prepared from the black pigment and a preparation method of the ceramic ink. The high-tinting-strength cobalt black pigment is prepared by adopting cobalt nitrate, nickel nitrate, chromic nitrate and ferric nitrate according to the molar ratio of 38: 6: 31: 25, co-precipitating, drying to obtain powder, and calcining at the temperature of 1100-1200 DEG C to obtain the high-tinting-strength cobalt black pigment. The ink prepared from the high-tinting-strength cobalt black pigment prepared by the preparation method disclosed by the invention is pure in hue and strong in tinting strength, is particularly suitable for producing dark-color ceramic tile layout products such as black golden flowers and the like, and can well solve the problem that the black color is not pure enough.

The invention relates to the technical field of plastic product production, in particular to colored pipe forming equipment which comprises a main material supply mechanism. A plurality of stirring and mixing devices; one end of the main material distributing mechanism is communicated with the main material supply mechanism, and the other end of the main material distributing mechanism is respectively communicated with a feeding hole of each stirring and mixing device; a plurality of toner supply mechanisms, each stirring and mixing device is connected with one toner supply mechanism, and each toner supply mechanism stores toner of different colors; the mixed color material output mechanism is respectively communicated with the discharge hole of each stirring and mixing device and is used for outputting the mixed color material; and the forming device communicates with the mixed color material output mechanism and is used for pipe forming. According to the invention, the problem that the residual mixture can cause the occurrence of mixed color spots on the new raw material is solved, the waste generated during production transition is reduced, the production cost is reduced, the problem of no mixed color spots after switching is solved, the qualified rate and the quality of the product are improved, and the application effect is very good.

The invention discloses high-temperature underglaze Chinese red glaze as well as a preparation method and application thereof, and belongs to the technical field of ceramic high-temperature underglaze colored glaze materials. The high-temperature underglaze Chinese red glaze comprises a high-temperature red pigment, a glaze matrix and related additives, wherein the high-temperature red pigment comprises a base material and a coloring element and is a core coloring component of the Chinese red glaze; the glaze matrix comprises potassium feldspar, muscovite, quartz sand, boric acid and wollastonite, and can be fused at high temperature to form a transparent or semitransparent vitreous layer to wrap and protect the pigment and provide good glaze gloss and flatness at the same time; related additives comprise a shaping agent, a dispersing agent and a mineralizing agent, and the colored glaze processing property can be improved. In addition, the invention further provides a preparation method and a sintering process of the high-temperature underglaze Chinese red glaze, Chinese red can be sintered at the temperature of 1300-1400 DEG C, the glaze color is bright, the chroma is full, the color is normal, darkening and blackening are avoided, and the high artistic value and process practicability are achieved.

The invention discloses an outdoor tent fabric which comprises a base material fabric, a functional coating arranged on the surface of the base material fabric, and a functional film compounded with the base material fabric, the functional coating is composed of a polyurethane emulsion, a waterproof emulsion, a pigment, a thickening agent and a photoinitiator. The preparation method comprises the following steps: slowly adding the waterproof emulsion, the pigment, the photoinitiator and the thickening agent into the polyurethane emulsion to adjust the viscosity so as to prepare the coating agent; the surface of the fabric is coated with the coating agent through a coating machine, and a coating is formed on the surface of the base material fabric through drying and ultraviolet curing; polyurethane hot melt adhesive bonding layers are arranged on the surface of the base material fabric and the surface of the functional film, the fabric and the functional film are flatly stacked together and then moved into a pressing machine, then the hot pressing time and the hot pressing temperature are set, after the temperature is reached, pressing is conducted, hot pressing and film laminating are completed, and the outdoor tent fabric is prepared. According to the outdoor tent fabric, the functions of flame retardance, water resistance and the like are integrated in the mode of combining the coating and the laminating, and the fabric is simple in structure and coordinated in function.

The present invention provides a curable composition containing: a colorant containing a pigment; a polymerizable compound; a photopolymerization initiator; and a compound represented by formula (1). Also provided are a film, an optical filter, a solid-state imaging element, and an image display device using the curable composition.

The application relates to the field of ceramic ink preparation, and discloses a method for preparing zirconium-iron red material for ceramic ink prepared from fused zirconia, which comprises the following steps: S1, mixing and treating zircon sand with a modifier; S2, performing smelting treatment on the mixture so that the mixture is completely melted, and after quenching and drying, hollow particles are obtained and reserved; S3, performing grinding treatment on the melt until the melt meets the requirements and is reserved; S4, performing modified desiliconization treatment on the ground melt powder; and S5, mixing and grinding the obtained powder with other raw materials of zirconium-iron red, heating and calcining, and keeping warm, so that the zirconium-iron red material is obtained. The zirconium-iron red material prepared by the method has a color difference value close to that of a chemical zirconium standard material. Due to the improvement of the color development effect, the prepared zirconium-iron red material can be used for the preparation of ceramic ink, so that the ceramic product presents a more bright and uniform red color after firing, and the attraction and market competitiveness of the product are improved.

The utility model discloses a color material dispersion testing machine, wherein the color material dispersion testing machine comprises a base, an extrusion device, a heating device and a collecting device. The extrusion device is arranged on the base. The extrusion device comprises a feeding hopper, a driving assembly and an extrusion pipe. The feeding hopper is located at the input end of the extrusion pipe and is used for inputting color material. The driving assembly is used for dispersing color material and outputting the color material through the output end of the extrusion pipe. The heating device is arranged at the output end of the extrusion pipe. The heating device is used for melting the color material. The collecting device is detachably connected to the output end of the heating device. The collecting device comprises a fan and a color developing strip. The fan is used for blowing the color material from the heating device to the color developing strip to present color development. The color material does not need to be manually transferred from dispersion to collection of color, which has high automation degree. The problems of loss, pollution and state change caused by manual transfer of the color material are avoided. The collection rate of color material dispersion is improved, and the accuracy and reliability of the test are improved.

The present application relates to the technical field of neutral ink, and particularly relates to a sericin micro-nanoparticle neutral ink, a preparation method and application thereof, sericin micro-nanoparticles 0.05% to 20%, colorant 0.05% to 40%, additive 0.05% to 1.0%, antibacterial agent 0.05% to 1.0%, and the balance is water; the sericin micro-nanoparticles are prepared from sericin through glutamine transaminase crosslinking. The present application adopts glutamine transaminase crosslinking sericin protein to form sericin micro-nanoparticles as a film forming agent and a load stable base material, which is added into neutral ink, has a higher specific surface area, more hydrophobic groups and hydrophilic groups, so as to load and disperse biodegradable natural colorant through interface interaction, so that the neutral ink is functionalized, has higher colorant loadability, and meanwhile, the sericin micro-nanoparticles have excellent antioxidant property, can effectively protect biodegradable colorant, and improve the photo-thermal stability thereof.

The present invention belongs to the field of architectural ceramics and relates to a praseodymium-based pigment, a method for preparing the pigment, and a method for preparing green decorative ceramic panels using a pure ammonia atmosphere. The praseodymium-based pigment has a core-shell structure composed of a zirconium silicate core and a borosilicate glass shell uniformly distributed with +3-valent Pr ions. Because the zirconium silicate matrix has excellent high-temperature stability, the resulting core-shell green pigment also exhibits excellent high-temperature stability. During high-temperature use, it is not easily eroded by other glazes, resulting in a decorative ceramic product with a good three-dimensional appearance and a smooth surface free of noticeable pores.

The invention relates to the technical field of ceramic glaze preparation, and discloses an additive for stabilizing firing color development of a ceramic glaze and a method thereof. Comprising 20-30 parts of magnesium oxide, 15-20 parts of zinc oxide, 5-10 parts of tin oxide, 10-15 parts of sodium phosphate, 3-5 parts of rare earth oxide, 3-5 parts of layered dihydroxy hydroxide, 0.5-1.2 parts of up-conversion luminescent nanoparticles, 2-3 parts of a magnetic composite medium and 5-8 parts of nano barium titanate. Oriented arrangement of SnO2 crystal grains is realized through magnetic field induction of a Fe3O4 coated SiO2 core-shell structure, rare earth ions are released in a gradient manner in combination with layered dihydroxy hydroxide, and a microwave-magnetic field-laser multi-physical field coupling gradient firing process is cooperated, so that the specular reflectance and optical uniformity of a glaze surface are remarkably improved, pigment decomposition in a high-temperature stage and generation of crystal boundary defects are inhibited, and the glaze quality is improved. The color development stability and the energy consumption efficiency are synchronously improved, and the problems of light scattering misalignment, rare earth chelation failure and glaze layer performance degradation caused by thermal field regulation lag due to disordered arrangement of crystal grains in the traditional process are solved.

A method of coating a contact to have various colors. The color may be selected to match a color of a portion of a device housing of an electronic device housing the contact. Examples alternatively provide a method of coating a contact to have a color that contrasts the color of a portion of the device housing. These methods can provide electrical contacts with low contact resistance and good corrosion and scratch resistance.

The invention discloses an elastomer impression material as well as a preparation method and application thereof, and relates to the technical field of impression materials. The elastomer impression material comprises a primary impression and a light body, wherein the primary impression and the light body respectively comprise a polysiloxane compound, hydrogen-containing silicone oil, a catalyst, a filler, a pigment and a fluorescent pigment. The marking efficiency of the light body in the indicating process is improved through cooperation of the pigment and the fluorescent pigment, the marking face is mainly used for marking a large continuous face, the light body is mainly used for marking lines such as gingival lines, pit fissures and palate, the color between the light body and the initial impression and the color tone and effect of fluorescent light are combined, and the marking efficiency of the light body in the indicating process is improved. The positions of gingiva, soft tissue, prepared teeth and the like of the teeth and the transition and boundary of the structure are clearly and accurately marked, the machine learning process is accelerated, and the tedious link of manual marking is omitted. The preparation method is simple, convenient and rapid, the oral cavity diagnosis and treatment efficiency and precision are improved, and a more efficient and more accurate solution is provided for application of artificial intelligence in the dental field.

The invention relates to a narrow-half-peak-width performance color master batch and a preparation method thereof, and relates to the field of color master batch materials and preparation thereof.The narrow-half-peak-width performance color master batch is prepared from, by mass, 35-50 parts of polymethyl methacrylate, 15-20 parts of polyethylene glycol terephthalate, 0.1-0.2 part of inorganic pigment, 4-8 parts of dispersing agent, 1-2 parts of nucleating agent and 0.5-1 part of modified antioxidant. The preparation method comprises the following steps: drying polymethyl methacrylate and polyethylene glycol terephthalate, adding an inorganic pigment, a dispersing agent, a nucleating agent and a modified antioxidant, stirring and mixing, melting and blending, cooling, pelletizing, screening and drying to obtain the color master batch with narrow half-peak width performance. The color master batch prepared by the invention has high saturation and purity, and the color master batch has good light resistance and heat resistance.

A production process of polyurethane soft foam material with multi-colors integrated, comprising the following steps: providing raw materials for preparing the polyurethane soft foam material; providing a discharging mechanism, which comprises a colorant extruding part, a polyurethane raw material mixing chamber communicating with the colorant extruding part, and a swing discharging part arranged at the discharging end of the polyurethane raw material mixing chamber; mixing the polyurethane raw materials: inputting preselected colorants; opening the mixing switch of the polyurethane raw material mixing chamber while opening one of the at least two switches; opening the switch of the swing discharging part; opening one of the at least two switches at intervals so that the swing discharging part forms impact waves when swinging to foam and form the polyurethane soft foam material with multi-colors integrated. The production process can form various colors combined in various sequences to form a polyurethane foaming material with aesthetic appearance similar to rainbow.

The utility model discloses a quick color changing and material mixing device for marbling-imitated injection molding products, which relates to the related field of material changing devices and comprises a base assembly, a conveying assembly, a color changing and material mixing assembly and a cleaning assembly, the upper end of the base assembly is fixedly connected with the conveying assembly, the upper end of the base assembly is fixedly connected with the color changing and material mixing assembly, and the cleaning assembly is fixedly connected with the color changing and material mixing assembly. The front end of the base assembly is fixedly connected with the cleaning assembly, the base assembly further comprises a base, and the upper end of the base is fixedly connected with the conveying assembly; the connecting insertion rod is fixedly connected to the upper end of the base; the pipe frame is arranged in the middle of the base; the display controller is fixedly connected to the rear side of the left end of the base; and the cleaning assembly capable of automatically detecting and discharging residual materials in the injection molding pipe is arranged, so that the device can automatically detect and discharge the residual materials in the injection molding pipe, and the subsequent injection molding effect is affected by residual pigments.

A method of manufacturing coloured silica particles comprising contacting a coloured silicate composition with an acid to provide the coloured silica particles, wherein the coloured silicate composition comprises an alkali metal silicate and a colourant and has a dry solids content of 60% or more. The alkali metal silicate may be a sodium silicate. The colourant may comprise a dye and / or a pigment. The acid may be an inorganic acid selected from sulfuric, hydrochloric, nitric, phosphonic, or carbonic acid or a mixture thereof. The method may comprise a step of drying a mixture comprising an alkali metal silicate and a colourant to provide the coloured silicate composition. Coloured silica particles obtained or obtainable by the method are defined. Coloured silica particles comprising silica particles comprising pores having a mean pore diameter of 3 nm or less; and a colourant contained within the pores.

A controllable patterned artificial stone production apparatus and method are disclosed. The apparatus includes: a mixer; a feeding chamber; a movable mold; a pressing chamber; a cutting device; a polishing and waxing device; and any one or more of a plate, a frame, and a pre-molded patterned material that can be vertically placed in the movable mold and have a preset horizontal cross-sectional shape. The plate is coated with a colorant on its surface, the frame is formed by enclosing the plate and is filled with colorant therebetween, and a lifting device is provided at the upper end of the plate and / or the frame for removing the plate and / or the frame from the movable mold after feeding is completed, leaving the colorant in the artificial stone material, thereby forming a preset pattern in the artificial stone material. The patterned material includes one or more segments, each segment having a similar preset horizontal cross-sectional shape and staggered from each other.

The utility model discloses a caked pigment smashing and grinding device which comprises a grinding barrel and a grinding hammer, the grinding barrel comprises a cylindrical barrel body and a conical barrel bottom, the upper side and the lower side of the grinding hammer are of conical structures and are coaxial with the grinding barrel, the conical part of the lower side of the grinding hammer is located at the barrel bottom, and a gap is reserved between the conical part of the lower side of the grinding hammer and the inner side wall of the barrel bottom to form a grinding groove; the supporting frame is supported on the ground through multiple supporting legs, the grinding barrel is supported on the supporting legs in a floating mode, a motor is installed on the supporting frame, and the output end of the motor drives the grinding hammer to rotate axially through a rotating shaft. And the large blocks are located on the conical part on the upper side of the grinding hammer, are continuously impacted and extruded by the side wall of the grinding barrel and the grinding hammer along with rotation of the grinding hammer, are gradually crushed and cracked into small blocks from the edge, enter the grinding groove and are further ground. And the small blocks directly enter the grinding groove to be finely ground, so that the discharge end is ensured to be in a powder form.

An image processing system includes control circuitry. The control circuitry acquires print data of CMYK or RGB without a spot color specification. The control circuitry specifies an input profile to convert the print data into a color value in a device-independent space and specifies an output profile for a metallic colorant. The control circuitry separates the print data into five or more plates including the metallic colorant based on the specified input profile and the specified output profile to generate data for a printed material.

The invention discloses a perylene bisimide flame-retardant pigment as well as a preparation method and application thereof, and relates to the technical field of high polymer material additives, and the perylene bisimide flame-retardant pigment comprises a compound as shown in a formula I. According to the perylene bisimide flame-retardant pigment provided by the invention, the design thought of an organic functional pigment is broadened, the blank of synergistic application of a flame retardant and a pigment in the prior art is filled up, a novel structure considering flame-retardant and coloring requirements in a single molecule is realized, the adjustability of color and performance of a material is endowed through substituent group engineering, and the flame-retardant perylene bisimide pigment is suitable for industrial production. The method has important significance in the fields of textile fibers, engineering plastics, electrical and electronic components and the like which need to consider attractiveness and safety. Formula I.

The present invention provides a display device in which a decrease in brightness is suppressed, and which can display an image with high color reproducibility even after long-term use. A display device (1A) is provided with: a light emitting diode (23); a color filter (33) including a red filter unit (33R), a green filter unit (33G), and a blue filter unit (33B); a wavelength conversion layer including a first wavelength conversion part (36R) and a second wavelength conversion part (36G), each of the wavelength conversion parts containing Eu2 +-activated phosphors; a functional layer that includes an ultraviolet shielding layer (51) that faces the light emitting diode (23) with the color filter (33) and the wavelength conversion layer interposed therebetween, and that has an ultraviolet shielding rate of 85% or more in accordance with JIS L1925: 2019; and a colored layer (52) that is interposed between the functional layer and the color filter (33) and contains a first coloring material having a maximum absorption wavelength in the range of 560-620 nm and a half-value width of the absorption spectrum in the range of 15-55 nm.

Provided are an aqueous inkjet ink composition having excellent storage stability and a recording method. The aqueous inkjet ink composition contains a colorant and fulvic acid.

The invention discloses a whole-body colored SPC table board and a preparation method thereof. The whole-body colored SPC table board is prepared from the following raw materials: polyvinyl chloride resin, calcium carbonate powder, a calcium-zinc stabilizer, a plasticizer and a pigment. The preparation method comprises the following steps: putting the raw materials into a high-speed hot mixing machine, uniformly mixing, carrying out extrusion forming through a double-screw extruder and a flat extrusion die, shaping, cooling, and carrying out fine processing such as cutting, corner inverted grinding and trepanning to obtain a finished product. According to the SPC table top colored on the whole body, the pigment is uniformly distributed on the whole SPC base material plate, so that even if the surface of the SPC base material plate is abraded and scratched or the SPC base material plate is subjected to other processing technologies such as cutting, trepanning and polishing, the color of the cross section is still consistent with that of the surface of the SPC base material plate. The invention further provides the SPC table board colored on the whole body and a preparation method of the SPC table board.

The invention discloses a time sequence analysis-based model printing pigment matching method and system. The method comprises the following steps of: obtaining a plurality of pigment use records of a to-be-sliced model in a historical time period; on the basis of task parameters corresponding to each pigment use record, preprocessing all the pigment use records to obtain a pigment record sequence; predicting a prediction matching pigment set of the to-be-sliced model according to the pigment record sequence based on an LSTM neural network; and according to the predicted matching pigment set, determining a pigment matching operation of the to-be-sliced model. It can be seen that accurate pigment matching management based on historical data and time sequence prediction can be achieved, the accuracy and matching efficiency of pigment use of the to-be-sliced model are improved, and the printing defect risk caused by improper pigment matching is reduced.

A low-temperature-rise soft composite sheet comprises a soft polymer film and a metal film. The soft polymer film is obtained by performing color development on the color master batch composition in a soft polymer base material. The color masterbatch composition comprises a thermoplastic polymer, a yellow pigment component, a red pigment component and a blue pigment component. The metal film is tightly attached to the soft polymer film. According to the low-temperature-rise soft composite sheet, the temperature rise degree caused by absorption of infrared rays or solarization can be reduced, heat energy can be prevented from being further conducted to foam of a cushion, the cooling rate of the cushion in a closed space can be effectively increased, and a user does not need to additionally reduce the temperature of the sheet by consuming energy. The invention further provides a low-temperature-rise soft cushion which comprises a foam layer, base cloth and the low-temperature-rise soft composite sheet.

The present application relates to a kind of corrugated watermark printing water-based ink, printing method and its application, ink includes following components: colorant, ethanol, alkali, water-soluble acrylic resin, auxiliary and water.The above-mentioned corrugated watermark printing water-based ink, water-soluble resin uses water-soluble acrylic resin, and uses the connection of ethanol, alkali, auxiliary and water, especially using water to replace the toxic organic solvent of 30%~70% in traditional ink, can improve environmental protection and safety.Corrugated watermark printing water-based ink using the above-mentioned component, can make that ink performance is better, printing performance is good, and printing quality is stable.Especially in combination with the corrugated watermark printing method of the present application, can improve printing quality, solve the problem that "obvious light and shade different feeling, ink skin and paper powder paper hair, upper and lower printed matter is prone to ink adhesion, separate after forming pattern on printed matter even large area white spot phenomenon" when printing.

The invention relates to color-migration-resistant micro suede and a preparation method thereof. The color-migration-resistant micro suede comprises a bottom layer and a surface layer attached to the bottom layer, wherein the surface layer is soaked with material colors, and the material color amount is reduced from the surface close to the bottom layer to the surface far away from the bottom layer; the bottom layer is soaked with a bottom color which is overlapped with the material color; a color migration-resistant auxiliary agent is added into the pigment of the material color and the ground color; an adhesive layer and burrs are formed on the surface, close to the bottom layer, of the surface layer, the adhesive layer adheres to the bottom layer, and the burrs make contact with the bottom layer; the bottom layer is coated with primer, and the primer covers the burrs. The problems that in an existing scheme, the effect of a color migration-resistant auxiliary agent of the suede is attenuated, migration occurs, and the amount of a dyeing solvent in the suede is large, so that color migration is aggravated are solved.